package jwr.basic;

import java.io.IOException;


public class UpperCase {

	public static void main(String[] args) throws IOException {
		char input;
		
		System.out.println("알파뱃을 입력해주세요");
		input = (char) System.in.read(); 
		if(input>='a' && input<='z'){
			System.out.println((char)(input-32));
		}else{
			System.out.println("잘못 입력하셧습니다.");
		}
	}

}
